One of the scariest effects of climate change might already be happening — and it'd mean our projections are way off

Alessandro Silvano

• Warm waters are pooling underneath Antarctic glaciers in a way that's causing glaciers to melt more rapidly and preventing the formation of cool water beneath Antarctica, according to a new study.
• This could slow ocean currents and potentially lead to a rapid sea-level rise event known as a pulse.
• Such an event could be devastating, causing sea levels to rise by more than 10 feet by the end of the century.

The worst-case climate scenario for coastal cities is known as a "pulse."

In that situation, abnormally warm water could cause the glaciers that hold back ice sheets on top of Antarctica and Greenland to collapse. That would cause massive quantities of ice to pour into the world's oceans, which could lead to extremely rapid sea-level rise around the world. See the rest of the story at Business Insider

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